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Finding the Fourth Proportional to 341,442.80, 512,164.20 and 131,085.80

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Solution

The fourth proportional to 341,442.80, 512,164.20 and 131,085.80 is: 196,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,442.80 : 512,164.20 = 131,085.80 : x
  2. Step 2: Convert to fraction form
    341,442.80/512,164.20 = 131,085.80/x
  3. Step 3: Cross multiply
    341,442.80x = 512,164.20 × 131,085.80
  4. Step 4: Simplify right side
    341,442.80x = 67,137,453,888.36
  5. Step 5: Solve for x
    x = 67,137,453,888.36/341,442.80
  6. Step 6: Final answer
    x = 196,628.70

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